package com.imooc.reader.service;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.imooc.reader.entity.Book;

public interface BookService {

    public IPage<Book> paging (Long categoryId,String order ,Integer page,Integer rows);

    public Book selectById(Long bookId);

    //更新图书评分和评价数量
    public void  updateEvaluation();
}
